Home / 20,675.26-30,994.41-7,518.36

Finding the Fourth Proportional to 20,675.26, 30,994.41 and 7,518.36

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Solution

The fourth proportional to 20,675.26, 30,994.41 and 7,518.36 is: 11,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.26 : 30,994.41 = 7,518.36 : x
  2. Step 2: Convert to fraction form
    20,675.26/30,994.41 = 7,518.36/x
  3. Step 3: Cross multiply
    20,675.26x = 30,994.41 × 7,518.36
  4. Step 4: Simplify right side
    20,675.26x = 233,027,132.37
  5. Step 5: Solve for x
    x = 233,027,132.37/20,675.26
  6. Step 6: Final answer
    x = 11,270.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.